<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
      <div id="app">
        <h2>{{message}}</h2>
      </div>
    
    <script src="/vue.js"></script>
    <script>
 
    </script>
</body>
</html>